3975603 has 16 divisors (see below), whose sum is σ = 5663520. Its totient is φ = 2471936.

The previous prime is 3975599. The next prime is 3975649. The reversal of 3975603 is 3065793.

It is not a de Polignac number, because 3975603 - 2² = 3975599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3975703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6703 + ... + 7271.

It is an arithmetic number, because the mean of its divisors is an integer number (353970).

Almost surely, 2^3975603 is an apocalyptic number.

3975603 is a deficient number, since it is larger than the sum of its proper divisors (1687917).

3975603 is a wasteful number, since it uses less digits than its factorization.

3975603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its (nonzero) digits is 17010, while the sum is 33.

The square root of 3975603 is about 1993.8914213166. The cubic root of 3975603 is about 158.4167149614.

Subtracting from 3975603 its product of nonzero digits (17010), we obtain a palindrome (3958593).

The spelling of 3975603 in words is "three million, nine hundred seventy-five thousand, six hundred three".